Ingredients

Directions

1.

Spread 1 teaspoon of mayonnaise on each side of the bread slices. Preheat a heavy skillet or griddle over medium-low heat for 5 minutes. Add bread in a single layer, working in batches if necessary, and cook until golden brown. Flip and cook until second side is golden brown. Transfer bread to a cutting board.

2.

Spread remaining mayonnaise on one side of each slice of bread. Stack lettuce and tomato evenly between two slices of bread. Season tomatoes with salt. Top with mushroom "bacon" and avocado. Close sandwiches, cut in half, and serve.

This Recipe Appears In

J. Kenji López-Alt is the Chief Culinary Advisor of Serious Eats, and author of the James Beard Award-nominated column The Food Lab, where he unravels the science of home cooking. A restaurant-trained chef and former Editor at Cook's Illustrated magazine, his first book, The Food Lab: Better Home Cooking Through Science is a New York Times Best-Seller, the recipient of a James Beard Award, and was named Cookbook of the Year in 2015 by the International Association of Culinary Professionals.

He's currently raising a daughter by day, writing his second book by night (Now with 10% more science!), and is working on Wursthall, a beer hall in downtown San Mateo which will be open by the end of 2017.